10 MEMOBUS/Modbus Data Table
YASKAWA ELECTRIC SIEP C730600 24A V1000 Option CANopen Technical Manual 33
◆ Alarm Register Contents
The table below shows the alarm codes that can be read out from MEMOBUS/Modbus register 007FH.
Table 8 Alarm Register 007FH Content
Alarm Code Fault Name Alarm Code Fault Name
0001H Undervoltage (Uv) 0017H Motor Overload (oL1)
0002H Overvoltage (ov) 0018H Drive Overload (oL2)
0003H Heatsink Overheat (oH) 001AH Option Card External Fault (EF0)
0004H Drive Overheat (oH2) 001BH Motor Switch command input during run (rUn)
0005H Overtorque 1 (oL3) 001DH Serial Communication Transmission Error (CALL)
0006H Overtorque 2 (oL4) 001EH Undertorque Detection 1 (UL3)
0007H Run commands input error (EF) 001FH Undertorque Detection 2 (UL4)
0008H Drive Baseblock (bb) 0020H MEMOBUS/Modbus Test Mode Fault (SE)
0009H External Fault 3, input terminal S3 (EF3) 0022H Motor Overheat (oH3)
000AH External Fault 4, input terminal S4 (EF4) 0027H PID Feedback Loss (FbL)
000BH External Fault 5, input terminal S5 (EF5) 0028H PID Feedback Loss (FbH)
000CH External Fault 6, input terminal S6 (EF6) 002AH Drive Disabled (dnE)
000DH External Fault 7, input terminal S7 (EF7) 002BH PG Disconnected (PGo)
000FH Cooling Fan Error (FAN) 0034H High Current Alarm (HCA)
0010H Overspeed (oS) 0039H External Fault (input terminal S1) (EF1)
0011H Excessive Speed Deviation (dEv) 003AH External Fault (input terminal S2) (EF2)
0012H PG Disconnected (PGo) 003BH Safe Disable Input (HbbF)
0013H Digital operator connection fault (oPr) 003CH Safe Disable Input (Hbb)
0014H MEMOBUS/Modbus Communication Error (CE) 003DH Mechanical Weakening Detection 1 (oL5)
0015H Option Communication Error (bUS) 003EH Mechanical Weakening Detection 2 (UL5)
0016H Serial Communication Transmission Error (CALL) 0049H DriveWorksEZ Alarm (dWAL)
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